online-transducer-greedy-search-decoder-rknn.h
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// sherpa-onnx/csrc/rknn/online-transducer-greedy-search-decoder-rknn.h
//
// Copyright (c) 2025 Xiaomi Corporation
#ifndef SHERPA_ONNX_CSRC_RKNN_ONLINE_TRANSDUCER_GREEDY_SEARCH_DECODER_RKNN_H_
#define SHERPA_ONNX_CSRC_RKNN_ONLINE_TRANSDUCER_GREEDY_SEARCH_DECODER_RKNN_H_
#include <vector>
#include "sherpa-onnx/csrc/rknn/online-transducer-decoder-rknn.h"
#include "sherpa-onnx/csrc/rknn/online-transducer-greedy-search-decoder-rknn.h"
#include "sherpa-onnx/csrc/rknn/online-zipformer-transducer-model-rknn.h"
namespace sherpa_onnx {
class OnlineTransducerGreedySearchDecoderRknn
: public OnlineTransducerDecoderRknn {
public:
explicit OnlineTransducerGreedySearchDecoderRknn(
OnlineZipformerTransducerModelRknn *model, int32_t unk_id = 2,
float blank_penalty = 0.0)
: model_(model), unk_id_(unk_id), blank_penalty_(blank_penalty) {}
OnlineTransducerDecoderResultRknn GetEmptyResult() const override;
void StripLeadingBlanks(OnlineTransducerDecoderResultRknn *r) const override;
void Decode(std::vector<float> encoder_out,
OnlineTransducerDecoderResultRknn *result) const override;
private:
OnlineZipformerTransducerModelRknn *model_; // Not owned
int32_t unk_id_;
float blank_penalty_;
};
} // namespace sherpa_onnx
#endif // SHERPA_ONNX_CSRC_RKNN_ONLINE_TRANSDUCER_GREEDY_SEARCH_DECODER_RKNN_H_